David James Elliott Lt., Lt. Cmdr. Harmon "Harm" Rabb, Jr. Actor Catherine Bell Maj., Lt. Col. Sarah "Mac" MacKenzie Actor Patrick Laborteaux Lt. j.g., Lt. Bud Roberts Actor John M. Jackson Actor Randy Vasquez Guest Star Chuck Carrington Guest Star Cindy Ambuehl Guest Star Trevor Goddard Guest Star Wanda Acuna Guest Star Ricki Lopez Guest Star Jon Hershfield Guest Star Tom McCleister Guest Star Matt McKenzie Guest Star Royce D. Applegate Guest Star Hector Elias Guest Star Robert Fuller Guest Star Jordan Gray Guest Star Brad Bartram Guest Star Donald P. Bellisario Executive Producer Charles Floyd Johnson Executive Producer Stephen Zito Executive Producer, Writer Jeannot Szwarc Director